<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>Document</title>
  <link rel="stylesheet" href="./css/bootstrap-v4.6.0.css" />
  <link rel="stylesheet" href="./css/login.css" />
</head>

<body>
  <div class="login-box">
    <div class="form-group">
      <label for="username">账号</label>
      <!-- 账号 -->
      <input type="text" class="form-control" id="username" autocomplete="off" />
      <small id="emailHelp" class="form-text text-muted">The available account is <strong>admin</strong></small>
    </div>
    <div class="form-group">
      <!-- 密码 -->
      <label for="password">密码</label>
      <input type="password" class="form-control" id="password" />
      <small id="emailHelp" class="form-text text-muted">The available password is <strong>123456</strong></small>
    </div>
    <button type="submit" class="btn btn-primary" id="btnLogin">Submit</button>
  </div>

  <script src="./lib/axios.js"></script>

  <script>
    document.querySelector('#btnLogin').addEventListener('click', function () {
      const username = document.querySelector('#username').value
      const password = document.querySelector('#password').value
      axios.post('http://ajax-api.itheima.net/api/login', {
        username,
        password,
      })
        .then((res) => {
          alert(res.data.message)
        })
        .catch((error) => {
          // alert('账号或者密码错误')
          document.querySelector('#emailHelp').innerHTML = '账号或者密码错误'
        })
    })
  </script>
</body>

</html>